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1. Introduction

This EQ comes straight from the channel strip of one of the best-sounding analog mixing desks. What makes it special? The VEQ-STU 900 is a very flexible 4-band semi-parametric EQ with cut/boost controls and variable frequencies. Its HF and LF bands support bell and shelf modes, and its LMF and HMF bands have two options for Q.

With this functionality, the VEQ-STU 900 lets you shape the sound in fairly extreme ways without deforming it. With its thick lows and gentle mids, you might like it even more than a comparable Pultec or SSL EQ.

2. Features

  • Four-band semi-parametric EQ.
  • High- and low-pass filters.
  • Warm and musical analog sound.

3. Layout

VEQ STU 900 Layout

1. Power On/Off Button

Turns the EQ On or Off. Also doubles as the BP button in the AFX Rack.

2. LF Frequency Selector

Selects the low frequency to be boosted or attenuated.

3. Gain Knob

Boosts or attenuates the signal by +/- 15dB. Use the switch below it to choose between bell or shelving curves.

4. LMF Frequency Selector

Selects the low-mid frequency to be boosted or attenuated.

5. Gain Knob

Boosts or attenuates the signal by +/- 15dB. Use the switch below it to choose between bell or shelving curves.

6. HMF Frequency Selector

Selects the high-mid frequency to be boosted or attenuated.

7. Gain Knob

Boosts or attenuates the signal by +/- 15dB. Use the switch below it to choose between bell or shelving curves.

8. HF Frequency Selector

Selects the high-mid frequency to be boosted or attenuated.

9. Gain Knob

Boosts or attenuates the signal by +/- 15dB. Use the switch below it to choose between bell or shelving curves.

10. High-Pass Filter

Engages the high-pass filter, cutting signal below the chosen frequency.

11. Low-Pass Filter

Engages the low-pass filter, cutting signal above the chosen frequency

12. Gain Knob

Boosts or attenuates the signal by +12/-24dB.

13. Output Level Meter

Visualizes output gain.

4. Contacts

Having difficulties with the VEQ-STU 900 or anything else Antelope? Get in touch with us by the following means:

European Direct Support Line
+44 2039578550
10:00 a.m. – 10:00 p.m. (EET), Monday – Friday
USA Direct Support Line
+1 734 418 8661
7:00 a.m. – 6:30 p.m. (EST), Monday – Friday
Online (live chat and e-mail)
Antelope Audio Support Page

5. Glossary

5.1 Shelving EQ
A shelf type EQ is the boost or cut of all frequencies above or below the cutoff frequency. It is most commonly found on the top and bottom bands of a parametric EQ.

5.2 Bell Curve
All equalizers with peaking filters use a bell curve which makes the EQ smoothly process a range of frequencies. With the bell curve, the center frequency occurs at the top of the bell curve and is the one most affected by equalization.

5.3 Low-cut Filter
Also known as high-pass filter. There are two types of pass filters in equalization. A high-pass filter (HPF) attenuates content below a cutoff frequency, allowing higher frequencies to pass through the filter. Thus, it is commonly used for cutting low frequencies. A low-pass filter (LPF) works the opposite – it attenuates content above a cutoff frequency, letting lower frequencies pass through the filter.